netdev - Re: [Patch net-next] net_sched: fix a compile warning in act

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Date:   Fri, 13 Oct 2017 16:16:51 -0400
From:   Roman Mashak <mrv@...atatu.com>
To:     Cong Wang <xiyou.wangcong@...il.com>
Cc:     netdev@...r.kernel.org
Subject: Re: [Patch net-next] net_sched: fix a compile warning in act_ife

Cong Wang <xiyou.wangcong@...il.com> writes:

> Apparently ife_meta_id2name() is only called when
> CONFIG_MODULES is defined.
>
> This fixes:
>
> net/sched/act_ife.c:251:20: warning: ‘ife_meta_id2name’ defined but not used [-Wunused-function]
>  static const char *ife_meta_id2name(u32 metaid)
>                     ^~~~~~~~~~~~~~~~

Fair enough, thanks Cong!

> Fixes: d3f24ba895f0 ("net sched actions: fix module auto-loading")
> Cc: Roman Mashak <mrv@...atatu.com>
> Signed-off-by: Cong Wang <xiyou.wangcong@...il.com>
> ---
>  net/sched/act_ife.c | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/net/sched/act_ife.c b/net/sched/act_ife.c
> index 252ee7d8c731..3007cb1310ea 100644
> --- a/net/sched/act_ife.c
> +++ b/net/sched/act_ife.c
> @@ -248,6 +248,7 @@ static int ife_validate_metatype(struct tcf_meta_ops *ops, void *val, int len)
>  	return ret;
>  }
>  
> +#ifdef CONFIG_MODULES
>  static const char *ife_meta_id2name(u32 metaid)
>  {
>  	switch (metaid) {
> @@ -261,6 +262,7 @@ static const char *ife_meta_id2name(u32 metaid)
>  		return "unknown";
>  	}
>  }
> +#endif
>  
>  /* called when adding new meta information
>   * under ife->tcf_lock for existing action